TY - RPRT TI - A truckmounted spectrographic laboratory for use in geochemical exploration AU - Frank C. Canney AU - A.T. Myers AU - F. N. Ward PY - 1957 DO - 10.2113/gsecongeo.52.3.289 UR - https://pubs.usgs.gov/publication/70216353 ID - 70216353 ER -